#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>

int main()
{
    /*int x, y = 0;
    y = x;
    scanf("%d", &x);*/
    int arr[4][4] = { 0 };
  
    for (int n = 0; n < 4; n++)
    {
        for (int m = 0; m < 4; m++)
        {
            if (n == 0 || n == 3)
            {
                printf("*");
           }
             else if (m == 0 || m == 3)
            {
                printf("*");
            }
        }
  
    }
    return 0;
}